using System.Linq;
using System.Threading.Tasks;
using AngleSharp.Dom;
using DiscordChatExporter.Cli.Tests.Fixtures;
using DiscordChatExporter.Cli.Tests.TestData;
using DiscordChatExporter.Core.Discord;
using FluentAssertions;
using Xunit;

namespace DiscordChatExporter.Cli.Tests
{
    public record EmbedSpecs(ExportWrapperFixture ExportWrapper) : IClassFixture<ExportWrapperFixture>
    {
        [Fact]
        public async Task Message_with_an_embed_is_rendered_correctly_in_JSON()
        {
            // Act
            var message = await ExportWrapper.GetMessageAsJsonAsync(
                ChannelIds.EmbedTestCases,
                Snowflake.Parse("866769910729146400")
            );

            var embed = message
                .GetProperty("embeds")
                .EnumerateArray()
                .Single();

            var embedAuthor = embed.GetProperty("author");
            var embedThumbnail = embed.GetProperty("thumbnail");
            var embedFooter = embed.GetProperty("footer");
            var embedFields = embed.GetProperty("fields").EnumerateArray().ToArray();

            // Assert
            embed.GetProperty("title").GetString().Should().Be("Embed title");
            embed.GetProperty("url").GetString().Should().Be("https://example.com");
            embed.GetProperty("timestamp").GetString().Should().Be("2021-07-14T21:00:00+00:00");
            embed.GetProperty("description").GetString().Should().Be("**Embed** _description_");
            embed.GetProperty("color").GetString().Should().Be("#58B9FF");
            embedAuthor.GetProperty("name").GetString().Should().Be("Embed author");
            embedAuthor.GetProperty("url").GetString().Should().Be("https://example.com/author");
            embedAuthor.GetProperty("iconUrl").GetString().Should().NotBeNullOrWhiteSpace();
            embedThumbnail.GetProperty("url").GetString().Should().NotBeNullOrWhiteSpace();
            embedThumbnail.GetProperty("width").GetInt32().Should().Be(120);
            embedThumbnail.GetProperty("height").GetInt32().Should().Be(120);
            embedFooter.GetProperty("text").GetString().Should().Be("Embed footer");
            embedFooter.GetProperty("iconUrl").GetString().Should().NotBeNullOrWhiteSpace();
            embedFields.Should().HaveCount(3);
            embedFields[0].GetProperty("name").GetString().Should().Be("Field 1");
            embedFields[0].GetProperty("value").GetString().Should().Be("Value 1");
            embedFields[0].GetProperty("isInline").GetBoolean().Should().BeTrue();
            embedFields[1].GetProperty("name").GetString().Should().Be("Field 2");
            embedFields[1].GetProperty("value").GetString().Should().Be("Value 2");
            embedFields[1].GetProperty("isInline").GetBoolean().Should().BeTrue();
            embedFields[2].GetProperty("name").GetString().Should().Be("Field 3");
            embedFields[2].GetProperty("value").GetString().Should().Be("Value 3");
            embedFields[2].GetProperty("isInline").GetBoolean().Should().BeTrue();
        }

        [Fact]
        public async Task Message_with_an_embed_is_rendered_correctly_in_HTML()
        {
            // Act
            var message = await ExportWrapper.GetMessageAsHtmlAsync(
                ChannelIds.EmbedTestCases,
                Snowflake.Parse("866769910729146400")
            );

            // Assert
            message.Text().Should().ContainAll(
                "Embed author",
                "Embed title",
                "Embed description",
                "Field 1", "Value 1",
                "Field 2", "Value 2",
                "Field 3", "Value 3",
                "Embed footer"
            );
        }

        [Fact]
        public async Task Message_with_a_Spotify_track_is_rendered_using_an_iframe_in_HTML()
        {
            // Act
            var message = await ExportWrapper.GetMessageAsHtmlAsync(
                ChannelIds.EmbedTestCases,
                Snowflake.Parse("867886632203976775")
            );

            var iframeHtml = message.QuerySelector("iframe");

            // Assert
            iframeHtml.Should().NotBeNull();
            iframeHtml?.GetAttribute("src").Should()
                .StartWithEquivalentOf("https://open.spotify.com/embed/track/1LHZMWefF9502NPfArRfvP");
        }

        [Fact]
        public async Task Message_with_a_YouTube_video_is_rendered_using_an_iframe_in_HTML()
        {
            // Act
            var message = await ExportWrapper.GetMessageAsHtmlAsync(
                ChannelIds.EmbedTestCases,
                Snowflake.Parse("866472508588294165")
            );

            var iframeHtml = message.QuerySelector("iframe");

            // Assert
            iframeHtml.Should().NotBeNull();
            iframeHtml?.GetAttribute("src").Should()
                .StartWithEquivalentOf("https://www.youtube.com/embed/qOWW4OlgbvE");
        }
    }
}